[OpenAFS] Re: 'vos dump' destroys volumes?

Derrick Brashear shadow@gmail.com
Wed, 28 Mar 2012 13:07:39 -0400


On Wed, Mar 28, 2012 at 1:01 PM, Matthias Gerstner
<matthias.gerstner@esolutions.de> wrote:
> Hello,
>
>> Please save the log if it happens again. Just a directory object being
>> corrupt will not delete its children unless you pass '-orphans remove'
>> to the salvager. However, the default, '-orphans ignore' will keep
>> orphaned data around but it will be effectively invisible until you
>> salvage with '-orphans attach'.
>
> yes I understand this mechanism regarding orphaned files. I was using
> the default. However, attaching the orphaned files wouldn't have helped
> me much in this particular case. As I mentioned the volume contained
> about 3.5 millions files and the directory structure was a crucial part
> of the data. I would never have been able to reconstruct the original
> data.
>
>> That version is known to have issues with data corruption/loss, which
>> are fixed in pre4. I don't know if that's what you're hitting, though.
>> (You can also run a newer client with older servers just fine.)
>
> So it seems I'm better off falling back to 1.6.0 on the server side
> then.

1.6.0 has the same bug, so, not really.

1.6.1pre4 would be a much better choice.

-- 
Derrick